CN214115074U - Anti-seepage constructed wetland system - Google Patents
Anti-seepage constructed wetland system Download PDFInfo
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- CN214115074U CN214115074U CN202023205192.XU CN202023205192U CN214115074U CN 214115074 U CN214115074 U CN 214115074U CN 202023205192 U CN202023205192 U CN 202023205192U CN 214115074 U CN214115074 U CN 214115074U
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Abstract
The application relates to an anti-seepage constructed wetland system, which comprises a bottom anti-seepage structure and a side wall anti-seepage structure, wherein the bottom anti-seepage structure is sequentially an original soil base layer, a clay layer, a bottom bentonite anti-seepage blanket, a backfill soil layer and a filler layer from bottom to top; the side wall seepage-proofing structure comprises a side wall, a side wall bentonite seepage-proofing blanket and a foam plastic plate from outside to inside in sequence, a plurality of water guide pipes horizontally penetrate through the side wall seepage-proofing structure, and a waterproof assembly is arranged at the joint of each water guide pipe and the foam plastic plate. The anti-seepage structure has the effects of improving the anti-seepage performance of the artificial wetland and fundamentally solving the problem that the anti-seepage structure is short in service life.
Description
Technical Field
The application relates to the technical field of wetland engineering, in particular to an anti-seepage artificial wetland system.
Background
The artificial wetland system refers to a wetland formed by human factors. Mainly utilizes the physical, chemical and biological synergistic effects of soil, artificial medium, plants and microorganisms to treat sewage and sludge.
The artificial wetland is used as a comprehensive ecological system, so that the water pollution can be effectively controlled, and the purification treatment and the resource utilization of the sewage can be obtained. In order to prevent sewage from permeating deep into the stratum, anti-seepage water-resisting layers are laid on the bottom and the side walls of the wetland. The existing anti-seepage structure of the artificial wetland generally comprises a concrete structure poured on an original soil base layer to achieve the purpose of water seepage prevention, and then a water guide pipe is fixedly connected on the side wall in a penetrating way, and the water guide pipe leads out water stored in the wetland for further treatment or application.
In view of the above-mentioned related art, the inventors of the present invention have considered that the construction cost of the concrete structure in the related art is high, and the anti-seepage performance of the artificial wetland is reduced in case that the concrete structure is easily cracked as the service life is prolonged, and thus, it is required to improve the construction cost.
SUMMERY OF THE UTILITY MODEL
In order to improve the anti-seepage performance of the artificial wetland, the application provides an anti-seepage artificial wetland system.
The anti-seepage constructed wetland system adopts the following technical scheme:
an anti-seepage constructed wetland system comprises a bottom anti-seepage structure and a side wall anti-seepage structure, wherein the bottom anti-seepage structure comprises an original soil base layer, a clay layer, a bottom bentonite anti-seepage blanket, a backfill soil layer and a filler layer from bottom to top in sequence; the side wall seepage-proofing structure comprises a side wall, a side wall bentonite seepage-proofing blanket and a foam plastic plate from outside to inside in sequence, a plurality of water guide pipes are horizontally arranged on the side wall seepage-proofing structure in a penetrating mode, and a waterproof assembly is arranged at the joint of each water guide pipe and the foam plastic plate.
Through adopting above-mentioned technical scheme, through setting gradually the wetland bottom as the former soil basic unit from bottom to top, the clay layer, bottom bentonite prevention of seepage blanket, backfill soil layer and packing layer, the clay layer is used for reducing the water permeability of former soil basic unit, bottom bentonite prevention of seepage blanket fixes the bentonite granule between two-layer geotechnological cloth, the bentonite granule meets water inflation, make it form even colloid system, the bentonite becomes orderly inflation from unordered under the restriction of two-layer geotechnological cloth, the inflation that absorbs water that lasts makes bottom bentonite prevention of seepage blanket self reach closely knit, thereby better water-proof effects has. The backfill soil layer is used for fixing the bentonite anti-seepage blanket at the bottom and is used as a laying base layer of the packing layer, so that the anti-seepage effect of the wetland bottom structure is greatly improved, and the problem of short service life of the anti-seepage structure is fundamentally solved. The side wall seepage-proofing structure is constructed in a mode that a foam plastic plate and a side wall bentonite seepage-proofing blanket are connected with the side wall, construction is convenient, and cracking and falling cannot occur. The joint of the water guide pipe and the foam plastic plate is provided with a waterproof assembly so as to reduce the possibility that water permeates into a gap between the water guide pipe and the side wall anti-seepage structure.
Preferably, the waterproof assembly comprises a sleeve sleeved on the periphery of the water guide pipe, the sleeve is conical, the larger end of the sleeve is fixedly connected with the inner side wall of the foam plastic plate, the smaller end of the sleeve is tightly attached to the outer peripheral surface of the water guide pipe, and bentonite powder is filled between the inner side wall of the sleeve and the outer peripheral surface of the water guide pipe.
Through adopting above-mentioned technical scheme, it has the bentonite powder to fill through the packing between the outer peripheral face at telescopic inside wall and aqueduct, and thereby the sleeve is as the container of accomodating the bentonite, and because of the bentonite powder meets water inflation with the clearance packing between aqueduct and the sleeve, and then with the gap shutoff between aqueduct and the foam plastic board for the trompil department of foam plastic board has better water-proof effects. And the sleeve is conical, the larger end of the sleeve is fixedly connected with the inner side wall of the foam plastic plate, and the smaller end of the sleeve is tightly attached to the outer peripheral surface of the water guide pipe, so that water is not easy to permeate into a gap between the water guide pipe and the sleeve.
Preferably, a sealing ring is filled at the joint of the water conduit and the sleeve.
By adopting the technical scheme, the sealing ring is filled at the joint of the water guide pipe and the sleeve, and the sealing ring seals the gap between the sleeve and the water guide pipe, so that water is not easy to permeate into the gap between the sleeve and the water guide pipe, and the waterproof performance is further improved.
Preferably, an angle sealing strip is arranged at the corner joint of the bottom bentonite seepage-proofing blanket and the side wall bentonite seepage-proofing blanket.
By adopting the technical scheme, the corner sealing strip is arranged at the corner joint of the bottom bentonite seepage-proofing blanket and the side wall bentonite seepage-proofing blanket, so that the waterproofness of the joint is greatly improved, and the possibility of water seepage and cracking of each connecting joint or seam is reduced.
Preferably, the corner sealing strip is granular bentonite powder which is piled and filled along the edge corner, the lower end edge of the sidewall bentonite anti-seepage blanket is paved and adhered along the upper surface of the corner sealing strip and extends to cover the bottom bentonite anti-seepage blanket, and the bottom bentonite anti-seepage blanket and the sidewall bentonite anti-seepage blanket are fixed through steel nails.
By adopting the technical scheme, bentonite powder is filled at the corner joint of the bottom bentonite seepage-proofing blanket and the side wall bentonite seepage-proofing blanket, the lower end edge of the side wall bentonite seepage-proofing blanket is paved and downwards extended along the upper surface of the corner sealing strip to cover the bottom bentonite seepage-proofing blanket, and is fixed with the bottom bentonite seepage-proofing blanket through the steel nail, and the bentonite powder expands when meeting water, so that the gaps at the corners of the bottom bentonite seepage-proofing blanket and the side wall bentonite seepage-proofing blanket are filled, the waterproofness at the joints is greatly improved, and the possibility of water seepage and cracking at each connecting joint or seam is reduced.
Preferably, a plurality of grooves distributed at intervals are sunken in one side of the side wall close to the side wall bentonite anti-seepage blanket, inserting blocks are inserted in the grooves, the side wall bentonite anti-seepage blanket is partially positioned between the inserting blocks and the groove wall of the groove, one end of the inserting blocks, far away from the groove, is fixedly connected with a baffle plate, the baffle plate covers the opening end of the groove, and the baffle plate is fixedly connected with the side wall through bolts.
By adopting the technical scheme, the side wall is provided with the plurality of grooves which are distributed at intervals and are sunken close to the side wall bentonite seepage-proofing blanket, the side wall bentonite seepage-proofing blanket is inserted into the grooves by the inserting blocks, so that the connecting area of the side wall bentonite seepage-proofing blanket and the side wall is increased, one end of the inserting block, which is far away from the grooves, is fixedly connected with the baffle, and the baffle is fixedly connected with the side wall through the bolt, so that the connecting strength of the side wall bentonite seepage-proofing blanket is enhanced, and the side wall bentonite seepage-proofing blanket is more tightly connected with the side wall.
Preferably, the opening edge of the groove is recessed with a placing groove for inserting the baffle, and after the baffle is inserted into the placing groove, the baffle is recessed relative to the sidewall bentonite impermeable blanket.
Through adopting above-mentioned technical scheme, through the sunken standing groove that has the confession baffle to insert in the opening border of recess, and the baffle inserts behind the standing groove, the baffle is sunken relative to lateral wall bentonite prevention of seepage blanket to make foam board and lateral wall bentonite prevention of seepage blanket not produce the clearance because of the baffle, make foam board and lateral wall bentonite prevention of seepage blanket be connected inseparabler.
Preferably, a rubber pad is fixedly connected to one side of the baffle close to the bottom bentonite seepage-proofing blanket.
Through adopting above-mentioned technical scheme, through the one side fixedly connected with rubber pad that is close to the waterproof blanket of diapire at the baffle, the rubber pad fills the clearance between baffle and the standing groove to make the laminating of baffle and side wall inseparabler.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the barrel combines the bottom bentonite anti-seepage blanket with the tamped clay layer and the backfill soil layer, compared with a mode of directly pouring a concrete structure on an original soil base layer, the anti-seepage effect of the wetland bottom structure is greatly improved, and the problem of short service life of the anti-seepage structure is fundamentally solved; the side wall adopts a mode of combining the foam plastic plate and the bentonite anti-seepage blanket on the side wall, so that the construction is convenient and fast, and the side wall cannot crack or fall off;
2. the waterproof assembly is arranged at the joint of the water guide pipe and the foam plastic plate, so that the possibility that water permeates into a gap between the water guide pipe and the side wall anti-seepage structure is reduced;
3. the corner sealing strips are arranged at the corner joints of the bottom bentonite seepage-proofing blanket and the side wall bentonite seepage-proofing blanket, so that the waterproofness of the joints is greatly improved, and the possibility of water seepage and cracking of the joints or seams is reduced.
Drawings
Fig. 1 is a schematic sectional view of an artificial wetland in the present application;
FIG. 2 is a schematic view of the sidewall barrier construction of the present application 1;
FIG. 3 is a schematic view of the sidewall barrier construction of the present application, FIG. 2;
FIG. 4 is an enlarged schematic view of B of FIG. 2 of the present application;
FIG. 5 is an enlarged schematic view of C of FIG. 3 of the present application;
fig. 6 is an enlarged schematic view of a in fig. 1 of the present application.
Description of reference numerals: 1. a raw soil base layer; 2. a clay layer; 3. a bentonite impermeable blanket at the bottom; 4. backfilling the soil layer; 5. a filler layer; 6. a side wall; 7. a sidewall bentonite impermeable blanket; 8. a foam plastic panel; 9. a groove; 10. inserting a block; 11. a baffle plate; 12. a placement groove; 13. a rubber pad; 14. a water conduit; 15. a waterproof assembly; 151. a sleeve; 152. a seal ring; 16. corner sealing strips.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses an anti-seepage constructed wetland system. Referring to fig. 1, the anti-seepage constructed wetland system comprises a bottom anti-seepage structure and a side wall anti-seepage structure. The bottom anti-seepage structure sequentially comprises an original soil base layer 1, an clay layer 2, a bottom bentonite anti-seepage blanket 3, a backfill soil layer 4 and a packing layer 5 from bottom to top.
The clay layer 2 covers the original soil base layer 1, the compaction degree is 90% -94%, and the thickness of the clay layer 2 is 30cm-40 cm. The bottom bentonite seepage-proofing blanket 3 is flatly paved above the clay layer 2, the backfill soil layer 4 covers the bottom bentonite seepage-proofing blanket 3, the compaction degree of the backfill soil layer 4 is 90-94%, and the thickness of the backfill soil layer 4 is 30-40 cm. The backfill soil layer 4 is suitable for screened soil. The packing layer 5 is wetland load modified packing with the thickness of 60cm-120 cm.
The side wall seepage-proofing structure sequentially comprises a side wall 6, a side wall bentonite seepage-proofing blanket 7 and a foam plastic plate 8 from outside to inside, and the side wall bentonite seepage-proofing blanket 7 is bonded with the baffle 11 and the foam plastic plate 8 through glue. The foam plastic plate 8 is a polystyrene foam plastic plate 8, and the thickness is not less than 4 cm; the thickness of the side wall 6 is not less than 25 cm; the foam plastic plate 8 is glued on the outer side of the bentonite seepage-proofing blanket 7 on the side wall and is fixed by rivets.
Referring to fig. 2 and 3, a plurality of grooves 9 are formed in the side wall 6 close to the side wall bentonite seepage-proofing blanket 7 in a recessed mode, the grooves 9 are connected with plug blocks 10 in an inserted mode, the side wall bentonite seepage-proofing blanket 7 is partially located between the plug blocks 10 and the groove walls of the grooves 9, and the side wall bentonite seepage-proofing blanket 7 is tightly abutted to the groove walls of the grooves 9 under the action of the plug blocks 10.
Referring to fig. 4 and 5, a baffle 11 is fixedly connected to one end, away from the groove 9, of the insert block 10, the baffle 11 covers the opening end of the groove 9, a placing groove 12 for the baffle 11 to be inserted into is recessed in the edge of the opening of the groove 9, a rubber pad 13 is fixedly connected to one side, close to the placing groove 12, of the baffle 11, and the baffle 11 is fixedly connected with the side wall 6 through a bolt. After the baffle 11 is inserted into the placing groove 12, the baffle 11 is recessed relative to the sidewall bentonite permeation prevention blanket 7.
Referring to fig. 2, a plurality of water conduits 14 are arranged at intervals in the side wall anti-seepage structure along the length direction of the side wall anti-seepage structure, and the water conduits 14 sequentially penetrate through the side wall 6, the side wall bentonite anti-seepage blanket 7 and the foam plastic plate 8. A waterproof assembly 15 is disposed between one end of the water guide pipe 14 penetrating the foam board 8 and the foam board 8.
Referring to fig. 2, the waterproof assembly 15 includes a sleeve 151 sleeved on the periphery of the water conduit 14, the sleeve 151 is integrally conical, the larger diameter end of the sleeve 151 is fixedly connected to the foam plastic plate 8, and the smaller diameter end of the sleeve 151 is tightly attached to the outer peripheral surface of the end of the water conduit 14 far away from the foam plastic plate 8. Bentonite powder is filled between the inner side wall of the sleeve 151 and the outer peripheral surface of the water conduit 14. The sealing ring 152 is clamped at the joint of the smaller end of the sleeve 151 and the water guide pipe 14, the sealing ring 152 is a rubber ring made of rubber, and the sealing ring 152 seals the gap between the sleeve and the water guide pipe 14, so that water is not easy to permeate into the gap between the sleeve 151 and the water guide pipe 14, and the waterproof performance is further improved.
Referring to fig. 1 and 6, an angular sealing strip 16 is arranged at the corner joint of the bottom bentonite seepage-proofing blanket 3 and the sidewall bentonite seepage-proofing blanket 7, the angular sealing strip 16 is granular bentonite powder which is piled and filled along an edge, the lower end edge of the sidewall bentonite seepage-proofing blanket 7 is paved and adhered along the upper surface of the angular sealing strip 16 and extends to cover the bottom bentonite seepage-proofing blanket 3, and the bottom bentonite seepage-proofing blanket 3 and the sidewall bentonite seepage-proofing blanket 7 are fixed through steel nails. By arranging the corner sealing strips 16, the waterproofness of the joints is greatly improved, and the possibility of water seepage and cracking of all the connecting joints or seams is reduced.
The implementation principle of the anti-seepage constructed wetland system in the embodiment of the application is as follows:
when the artificial wetland is constructed, earth mechanical excavation is carried out according to an earth engineering drawing, and after foundation pit excavation is finished, artificial filling is carried out. When the clay is poured on the original soil base layer 1 and tamped, the compaction degree of the clay layer 2 is 90-94%. Laying the bottom bentonite seepage-proofing blanket 3 and the side wall bentonite seepage-proofing blanket 7, and adding a corner sealing strip 16 at the corner of the bottom bentonite seepage-proofing blanket 3 and the side wall bentonite seepage-proofing blanket 7 for sealing treatment.
The side wall bentonite anti-seepage blankets 7 are laid in the order of the vertical surface and the bottom surface, the side wall bentonite anti-seepage blankets 7 are laid and attached in the order of the top to the bottom, and the side wall bentonite anti-seepage blankets 7 and the side walls 6 are fixed by the aid of the inserting blocks 10 and the baffle plates 11.
And adding a backfill soil layer 4 and tamping to ensure that the compaction degree is 90-94%. And a foam plastic plate 8 is arranged outside the bentonite seepage-proofing blanket 7 on the side wall and is fixed by rivets. And then pouring waterproof glue on the side wall 6, the side wall bentonite anti-seepage blanket 7 and the foam plastic plate 8. Then, a water guide pipe 14 is fixed through holes in the side wall 6, the side wall bentonite anti-seepage blanket 7 and the foam plastic plate 8, one end of the water guide pipe 14 penetrating through the foam plastic plate 8 is subjected to waterproof treatment, and finally, a packing layer 5 is added at the bottom of the wetland.
This application is through combining together bottom bentonite prevention of seepage blanket 3 with clay layer 2, the backfill soil layer 4 of ramming, compares in the mode of directly pouring concrete structure on former soil basic unit 1, has improved the prevention of seepage effect of wetland bottom structure greatly, and fundamentally has solved the problem that prevention of seepage structure life is short. The side wall adopts the mode that the foam plastic plate 8 is combined with the side wall bentonite seepage-proofing blanket 7, the construction is convenient and fast, the side wall bentonite seepage-proofing blanket 7 is not cracked, and the side wall bentonite seepage-proofing blanket 7 is fixed with the baffle 11 through the inserting block 10, so that the side wall bentonite seepage-proofing blanket 7 is not easy to fall off.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. An anti-seepage constructed wetland system is characterized in that: the soil-based anti-seepage carpet comprises a bottom anti-seepage structure and a side wall anti-seepage structure, wherein the bottom anti-seepage structure sequentially comprises an original soil base layer (1), a clay layer (2), a bottom bentonite anti-seepage blanket (3), a backfill soil layer (4) and a filler layer (5) from bottom to top; the side wall anti-seepage structure is side wall (6), lateral wall bentonite prevention of seepage blanket (7) and foam plastic board (8) from outside to inside in proper order, a plurality of aqueducts (14) are worn to be equipped with by lateral wall anti-seepage structure upper level, aqueduct (14) with the junction of foam plastic board (8) is provided with waterproof component (15).
2. The anti-seepage constructed wetland system of claim 1, which is characterized in that: waterproof component (15) including cup jointing sleeve (151) in aqueduct (14) periphery, sleeve (151) are the toper, the great one end of sleeve (151) with the inside wall fixed connection of foamed plastic board (8), the less one end of sleeve (151) with the outer peripheral face of aqueduct (14) closely laminates, the inside wall of sleeve (151) with it has bentonite powder to fill between the outer peripheral face of aqueduct (14).
3. The anti-seepage constructed wetland system of claim 2, which is characterized in that: and a sealing ring (152) is filled at the joint of the water guide pipe (14) and the sleeve (151).
4. The anti-seepage constructed wetland system of claim 1, which is characterized in that: an angular sealing strip (16) is arranged at the corner joint of the bottom bentonite seepage-proofing blanket (3) and the side wall bentonite seepage-proofing blanket (7).
5. The anti-seepage constructed wetland system of claim 4, which is characterized in that: the corner sealing strip (16) is granular bentonite powder which is piled and filled along the edge corner, the lower end edge of the side wall bentonite anti-seepage blanket (7) is paved and adhered along the upper surface of the corner sealing strip (16) and extends to cover the bottom bentonite anti-seepage blanket (3), and the bottom bentonite anti-seepage blanket (3) and the side wall bentonite anti-seepage blanket (7) are fixed through steel nails.
6. The anti-seepage constructed wetland system of claim 1, which is characterized in that: side wall (6) are close to one side of lateral wall bentonite prevention of seepage blanket (7) is sunken to have recess (9) of a plurality of interval distribution, it has inserted block (10) to peg graft in recess (9), lateral wall bentonite prevention of seepage blanket (7) part is located insert (10) with between the cell wall of recess (9), insert (10) are kept away from the one end fixedly connected with baffle (11) of recess (9), baffle (11) cover the open end of recess (9), baffle (11) pass through the bolt with side wall (6) fixed connection.
7. The anti-seepage constructed wetland system of claim 6, which is characterized in that: the opening edge of the groove (9) is provided with a placing groove (12) for inserting the baffle (11), and after the baffle (11) is inserted into the placing groove (12), the baffle (11) is sunken relative to the sidewall bentonite seepage-proofing blanket (7).
8. The impermeable artificial wetland system of claim 7, which is characterized in that: one side of the baffle (11) close to the bentonite seepage-proofing blanket (3) at the bottom is fixedly connected with a rubber pad (13).
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| CN202023205192.XU CN214115074U (en) | 2020-12-26 | 2020-12-26 | Anti-seepage constructed wetland system |
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| CN202023205192.XU CN214115074U (en) | 2020-12-26 | 2020-12-26 | Anti-seepage constructed wetland system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508072A (en) * | 2022-01-26 | 2022-05-17 | 安徽新华学院 | Seepage-proofing drainage structure based on artificial wetland water ecology |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508072A (en) * | 2022-01-26 | 2022-05-17 | 安徽新华学院 | Seepage-proofing drainage structure based on artificial wetland water ecology |
| CN114508072B (en) * | 2022-01-26 | 2023-07-28 | 安徽新华学院 | Seepage-proofing drainage structure based on constructed wetland water ecology |
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